iOS Programming: The Big Nerd Ranch Guide, 6th Edition

Building the Finished Application

Build and run the application on the iPhone 7 simulator, as you did earlier.

If building turns up any errors, you can view them in the issue navigator by selecting the tab in the navigator area (Figure 1.26).

Figure 1.26  Issue navigator with example errors and warnings

The issue navigator has two tabs: Build time (selected) and Runtime. The navigator shows the issues and warnings in list tree view, which starts with “Quiz.” Under this is the “View Controller . swift” file. Three issues with ...